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Rule "Potentially missing comma after year"

This is one of many errors that LanguageTool can detect.

Description: Potentially missing comma after year
Message: Some style guides suggest that commas should set off the year in a month-day-year date.
Category: American English Style (ID: AMERICAN_ENGLISH_STYLE)
Link: http://www.thepunctuationguide.com/comma.html#dates
Incorrect sentences
that this rule can detect:
  • The meeting scheduled for July 10, 2011 was canceled.
    Correction suggestion: 2011,
Correct sentences
for comparison:
  • My birthday is October 8, 1983, but I usually do not celebrate.
ID: MISSING_COMMA_AFTER_YEAR [1]
Version: 6.7-SNAPSHOT (2025-07-13 22:33:10 +0200)